tomorrow,see to it that he comes这句话中为什么要加to?

问题描述:

tomorrow,see to it that he comes这句话中为什么要加to?

see to it that=see that/make sure that/check that
意思是“确保”“务必”,这里所提到的that从句中的将来时都要用一般现在时替代.
这句意思是:确保他明天务必来.